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Synthesis and Characterization of Multiple-Cation Rb(MAFA)PbI3 Perovskite Single Crystalsopen access
- Authors
- Kim, Hyojung; Byun, Hye Ryung; Jeong, Mun Seok
- Issue Date
- Feb-2019
- Publisher
- Nature Publishing Group
- Keywords
- SOLAR-CELLS; EFFICIENCY; LENGTHS; PLANAR
- Citation
- Scientific Reports, v.9, pp.1 - 7
- Indexed
- SCIE
SCOPUS
- Journal Title
- Scientific Reports
- Volume
- 9
- Start Page
- 1
- End Page
- 7
- ISSN
- 2045-2322
- Abstract
- We synthesized multiple-cation Rb(MAFA)PbI3 perovskite single crystals for the first time. The effect of Rb+ substitution was systemically investigated, and the addition of 1.5 M 5% RbI was the optimum condition to obtain high-quality Rb(MAFA)PbI3 single crystals. Lattice shrinkage occurred in the Rb(MAFA)PbI3 single crystal because of the small ionic radius of Rb+, resulting in blue-shifted absorption and photoluminescence (PL) peaks. The 1.5 M 5% RbI-added (MAFA)PbI3 single crystal showed the longest carrier lifetime of 18.35 ns, exhibiting the highest photoresponse than other crystals. We believe that this work will provide a basic insight into the mixed-cation perovskite single crystals for the future optoelectronic applications.
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Collections - 서울 자연과학대학 > 서울 물리학과 > 1. Journal Articles
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Related Researcher
- Jeong, Mun Seok
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF PHYSICS)